diff --git a/src/System.Management.Automation/engine/interpreter/Instruction.cs b/src/System.Management.Automation/engine/interpreter/Instruction.cs
index 0a46fd88dfa..f1d8edaeb87 100644
--- a/src/System.Management.Automation/engine/interpreter/Instruction.cs
+++ b/src/System.Management.Automation/engine/interpreter/Instruction.cs
@@ -17,10 +17,12 @@
 
 namespace System.Management.Automation.Interpreter
 {
+#nullable enable
     internal interface IInstructionProvider
     {
         void AddInstructions(LightCompiler compiler);
     }
+#nullable restore
 
     internal abstract class Instruction
     {